/*
 *  Licensed to the Apache Software Foundation (ASF) under one or more
 *  contributor license agreements.  See the NOTICE file distributed with
 *  this work for additional information regarding copyright ownership.
 *  The ASF licenses this file to You under the Apache License, Version 2.0
 *  (the "License"); you may not use this file except in compliance with
 *  the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */
/** 
 * @author Artem Aliev
 */  
package java.lang;

import java.lang.ref.WeakReference;
import java.lang.ref.ReferenceQueue;

class ThreadWeakRef extends WeakReference<Thread> {
    
    private static ReferenceQueue<Thread> refQueue = new ReferenceQueue<Thread>();
    private long nativeAddr = 0;
    
    public ThreadWeakRef(Thread thread) {
        super(thread, ThreadWeakRef.refQueue);
    }

    public void setNativeAddr(long newAddr) {
        nativeAddr = newAddr;
    }

    public long getNativeAddr() {
        return nativeAddr;
    }

    public static ThreadWeakRef poll() {
        return (ThreadWeakRef)( WeakReference<Thread>)refQueue.poll();
    }
}
